On Fri, May 10, 2013 at 10:40:22AM -0700, Nakajima, Jun wrote:
> On Fri, May 10, 2013 at 9:33 AM, Jan Kiszka <[email protected]> wrote:
> > On 2013-05-10 17:39, Kashyap Chamarthy wrote:
> >> On Fri, May 10, 2013 at 8:54 PM, Jan Kiszka <[email protected]> wrote:
> >>>
> >>> On 2013-05-10 17:12, Jan Kiszka wrote:
> >>>> On 2013-05-10 15:00, Kashyap Chamarthy wrote:
> >>>>> Heya,
> >>>>>
> >>>>> This is on Intel Haswell.
> >>>>>
> >>>>> First, some version info:
> >>>>>
> >>>>> L0, L1 -- both of them have same versions of kernel, qemu:
> >>>>>
>
> I tried to reproduce such a problem, and I found L2 (Linux) hangs in
> SeaBIOS, after line "iPXE (http://ipxe.org) ...". It happens with or
> w/o VMCS shadowing (and even without my virtual EPT patches). I didn't
> realize this problem until I updated the L1 kernel to the latest (e.g.
> 3.9.0) from 3.7.0. L0 uses the kvm.git, next branch. It's possible
> that the L1 kernel exposed a bug with the nested virtualization, as we
> saw such cases before.
>
This is probably fixed by 8d76c49e9ffeee839bc0b7a3278a23f99101263e. Try
it please.
--
Gleb.
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